diff --git a/nixos/modules/hardware/video/nvidia.nix b/nixos/modules/hardware/video/nvidia.nix
index eb2db48d6fcd..2d52d1e8b28f 100644
--- a/nixos/modules/hardware/video/nvidia.nix
+++ b/nixos/modules/hardware/video/nvidia.nix
@@ -17,7 +17,7 @@ let
   offloadCfg = pCfg.offload;
   reverseSyncCfg = pCfg.reverseSync;
   primeEnabled = syncCfg.enable || reverseSyncCfg.enable || offloadCfg.enable;
-  busIDType = lib.types.strMatching "([[:print:]]+[:@][0-9]{1,3}:[0-9]{1,2}:[0-9])?";
+  busIDType = lib.types.strMatching "([[:print:]]+:[0-9]{1,3}(@[0-9]{1,10})?:[0-9]{1,2}:[0-9])?";
   ibtSupport = useOpenModules || (nvidia_x11.ibtSupport or false);
   settingsFormat = pkgs.formats.keyValue { };
 in